Protective Ground
Transmitted Data (TD)
Received Data (RD)
Request to Send (RTS)
Clear to Send (CTS)
Data Set Ready (DSR)
Received Line Signal Detector
Not used
Signal Ground
Secondary TD
Secondary RD
Secondary RTS
Secondary CTS
Secondary DSR
Secondary RLSD
Not used
Figure 3-4. Connecting Channel Doubler to Local Mux-6 Sub-Channel.
Local Mux-6
Sub-Channel
Connector
1
2
3
4
5
6
8
15
17
20
24
7
14
16
19
13
21
12
11
18
25
23
Channel Doubler
1
2
3
4
5
6
8
15
17
20
24
7
14
16
19
13
21
12
11
18
25
23
LOCAL MUX-6
Port A
1
2
3
4
5
6
8
15
17
20
24
7
Port B
1
2
3
4
5
6
8
15
17
20
24
7
19